656209086

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^2$

素因数の和:298

約数の個数: 72

約数和(自身を含む): 1458596376

約数和(自身を除く): 802387290

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 103, 122, 169, 183, 206, 309, 338, 366, 507, 618, 793, 1014, 1339, 1586, 2379, 2678, 4017, 4758, 6283, 8034, 10309, 10609, 12566, 17407, 18849, 20618, 21218, 30927, 31827, 34814, 37698, 52221, 61854, 63654, 81679, 104442, 137917, 163358, 245037, 275834, 413751, 490074, 647149, 827502, 1061827, 1294298, 1792921, 1941447, 2123654, 3185481, 3585842, 3882894, 5378763, 6370962, 8412937, 10757526, 16825874, 25238811, 50477622, 109368181, 218736362, 328104543, 656209086]

約数ペア:

[(1, 656209086), (2, 328104543), (3, 218736362), (6, 109368181), (13, 50477622), (26, 25238811), (39, 16825874), (61, 10757526), (78, 8412937), (103, 6370962), (122, 5378763), (169, 3882894), (183, 3585842), (206, 3185481), (309, 2123654), (338, 1941447), (366, 1792921), (507, 1294298), (618, 1061827), (793, 827502), (1014, 647149), (1339, 490074), (1586, 413751), (2379, 275834), (2678, 245037), (4017, 163358), (4758, 137917), (6283, 104442), (8034, 81679), (10309, 63654), (10609, 61854), (12566, 52221), (17407, 37698), (18849, 34814), (20618, 31827), (21218, 30927)]